package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.dto.SetmealPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Delete;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.Collections;
import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    @ApiOperation("新增菜品")
    @PostMapping
    public Result insert(@RequestBody DishDTO dishDTO){
        dishService.insert(dishDTO);
        //清理缓存数据
        Long categoryId = dishDTO.getCategoryId();
        cleanCache("dish_" + categoryId);
        return Result.success();
    }


    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> pageQuery(DishPageQueryDTO dishPageQueryDTO){
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }


    @ApiOperation("批量删除菜品")
    @DeleteMapping()
    public Result delete(@RequestParam List<Long> ids){
        dishService.delete(ids);
        //清理缓存数据
        cleanCache("dish_*");
        return Result.success();
    }


    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品信息")
    public Result<DishVO> selectByIdWithFlavors(@PathVariable Long id){
        DishVO dishVO = dishService.selectByIdWithFlavors(id);
        return Result.success(dishVO);
    }


    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        dishService.updateWithFlavor(dishDTO);
        //清理缓存数据
        cleanCache("dish_*");
        return Result.success();
    }

    @PostMapping("/status/{status}")
    @ApiOperation("菜品状态设置")
    public Result status(@PathVariable Integer status, Long id){
        dishService.status(status, id);
        //清理缓存数据
        cleanCache("dish_*");
        return Result.success();
    }


    @ApiOperation("根据分类id查询菜品")
    @GetMapping("/list")
    public Result<List<Dish>> selectByCategoryId(Long categoryId){
        List<Dish> list = dishService.selectByCategoryId(categoryId);
        return Result.success(list);
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
